Mercer, ND Weather & Growing Conditions
Overnight
29°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 29. Northwest wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Patchy Fog | 9 mph NW | 0% |
| Wednesday | 50°F | Patchy Fog then Mostly Sunny | 7 to 15 mph NW | 0% |
| Wednesday Night | 26°F | Partly Cloudy | 7 to 10 mph N | 0% |
| Thursday | 41°F | Mostly Sunny | 3 to 8 mph NE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 5 to 8 mph SE | 0% |
| Friday | 50°F | Mostly Sunny | 8 to 12 mph SW | 0% |
| Friday Night | 30°F | Mostly Clear | 8 mph SW | 0% |
| Saturday | 56°F | Sunny | 9 to 20 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 to 10 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 14 mph SW | 0% |
| Sunday Night | 37°F | Partly Cloudy | 12 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 10 to 18 mph W | 1% |
| Monday Night | 31°F | Mostly Clear | 5 to 8 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mercer, ND
Last spring frost
May 14
First fall frost
Sep 26
Growing season
136 days
Hardiness zone
4a
Explore more for Mercer, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Turtle Lake, Nd (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.